package com.qf.service;

import com.qf.pojo.Speaker;

import java.util.List;

/**
 * @author 张鑫
 * @date 2020/10/19 21:40
 */
public interface SpeakerService {
    List<Speaker> findAll();

    void addSpeaker(Speaker speaker);

    void updateSpeaker(Speaker speaker);

    void delSpeaker(Integer id);

    Speaker findById(Integer id);
}
